Vitamin D deficiency and insufficiency are associated with an increased risk of many chronic diseases – from osteoporosis to heart disease, cancers, and even COVID-19. This week I discuss the causes of vitamin D deficiency and supplementation.
Since recording on 9/2/2020, additional evidence shows that those with lower Vitamin D levels have an increased risk of contracting COVID-19, not just worse outcomes.
Other links: Study design and weight: